From Pennygate, Norfolk to all cities in Northamptonshire starting with letter C
- Caldecote, Norfolk
- Caldecott, Norfolk
- Camp Hill, Norfolk
- Canons Ashby, Norfolk
- Carlton Purlieus, Norfolk
- Castle Ashby, Norfolk
- Cattle End, Norfolk
- Chacombe, Norfolk
- Chadstone, Norfolk
- Chapel Brampton, Norfolk
- Charlton, Norfolk
- Charwelton, Norfolk
- Chelveston, Norfolk
- Chipping Warden, Norfolk
- Church Brampton, Norfolk
- Church Charwelton, Norfolk
- Church End, Norfolk
- Church Stowe, Norfolk
- Clay Coton, Norfolk
- Clipston, Norfolk
- Clopton, Norfolk
- Cogenhoe, Norfolk
- Cold Ashby, Norfolk
- Cold Higham, Norfolk
- Collingtree, Norfolk
- Collyweston, Norfolk
- Corby, Norfolk
- Cosgrove, Norfolk
- Coton, Norfolk
- Cotterstock, Norfolk
- Cottesbrooke, Norfolk
- Cottingham, Norfolk
- Courteenhall, Norfolk
- Cranford St Andrew, Norfolk
- Cranford St John, Norfolk
- Creaton, Norfolk
- Crick, Norfolk
- Croughton, Norfolk
- Crowfield, Norfolk
- Culworth, Norfolk